CN210235248U - Cryogenic liquid cargo insulation construction and cryogenic liquid cargo hold for hold - Google Patents
Cryogenic liquid cargo insulation construction and cryogenic liquid cargo hold for hold Download PDFInfo
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- CN210235248U CN210235248U CN201921022034.5U CN201921022034U CN210235248U CN 210235248 U CN210235248 U CN 210235248U CN 201921022034 U CN201921022034 U CN 201921022034U CN 210235248 U CN210235248 U CN 210235248U
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Abstract
The utility model relates to an insulation construction field specifically is an insulation construction and cryrogenic cargo tank for cryogenic cargo tank. The insulation construction includes: the first side of the first heat-insulation plate layer is arranged close to the cargo compartment wall, the first heat-insulation plate layer comprises at least two first heat-insulation plates, a first flexible heat-insulation material layer and a first foaming heat-insulation layer are arranged in a seam body between every two adjacent first heat-insulation plates, and the first flexible heat-insulation material layer is arranged close to the cargo compartment wall; the second insulation board layer is arranged on the second side face side of the first insulation board layer, the first side face and the second side face are arranged oppositely, the second insulation board layer comprises at least two second insulation boards, a second flexible insulation material layer and a second foaming insulation layer are arranged in a seam between every two adjacent second insulation boards, and the second flexible insulation material layer is close to the first insulation board layer. The heat insulation structure is arranged outside the deep cooling liquid cargo tank. The utility model discloses heated board fracture rate is low, the leakproofness is high, thermal insulation performance is high.
Description
Technical Field
The utility model relates to an insulation construction field specifically is an insulation construction and cryrogenic cargo tank for cryogenic cargo tank.
Background
The cryogenic liquid cargo tank is an ultralow temperature liquid cargo tank loaded with liquefied petroleum gas, liquefied ethylene ethane, liquefied natural gas and the like, mainly comprises an A-type, B-type, C-type and film-type cryogenic liquid cargo tank classified by International maritime organization IMO, and in order to reduce the evaporation of the liquefied gas absorbing external heat and avoid the damage of ultralow temperature to a peripheral structure, a thermal insulation structure is coated on the outer wall of the liquid cargo tank.
The plate type heat insulation system for fixing the adjacent heat insulation plates by gluing plate seams is conventionally adopted, the single heat insulation plate has poor low temperature shrinkage resistance and insufficient integral air tightness, the heat insulation structure is easy to crack, so that external gas and water vapor invade the heat insulation layer to be frozen and expand the crack heat insulation structure, and the integral heat insulation performance is poor; the conventional board-like heat preservation system that adopts the slab joint to fill the foam fixed, the anti low temperature contractility of monolithic board is alternately poor, and the heat preservation system ftractures easily, and fills the foam and spills over easily between the sheet layer (single/multilayer heat preservation), causes inside and outside insulation construction adhesion, influences the relatively poor problem of insulation construction's stability and later stage thermal insulation performance during the low temperature shrink of cargo tank.
Disclosure of Invention
In view of this, the utility model provides an insulation system and cryrogenic cargo tank for cryogenic cargo tank, this structure provide neotype heated board and connect and the construction solution, solved heated board low temperature shrink fracture effectively, the not enough and overflow problem of filling the foam of heat preservation work progress of tightness, improved the thermal insulation performance of plate-type insulation system for cryogenic cargo tank greatly, can be used to categorised A type, B type, C type and the cryrogenic cargo tank of film type of international maritime affairs organization IMO.
In order to achieve the above object, the present invention mainly provides the following technical solutions:
through a cryogenic liquid insulation construction for cargo hold, the cryogenic liquid cargo hold wall setting is hugged closely to insulation construction, insulation construction includes: the first side of the first heat-insulation plate layer is arranged close to the cargo compartment wall, the first heat-insulation plate layer comprises at least two first heat-insulation plates, a first flexible heat-insulation material layer and a first foaming heat-insulation layer are arranged in a gap between every two adjacent first heat-insulation plates, and the first flexible heat-insulation material layer is arranged close to the cargo compartment wall; the second insulation board layer, the second insulation board layer sets up the second side face side of first insulation board layer, first side with the second side sets up relatively, the second insulation board layer includes two at least second insulation boards, is equipped with flexible insulation material layer of second and the foaming heat preservation of second in the seam body between two adjacent second insulation boards, the flexible insulation material layer of second is close to first insulation board layer sets up.
The shape of the first heat-insulation plate is not just flat, but the shape of the first heat-insulation plate is matched with that of the outer wall of the cargo compartment to be heat-insulated, so that the first heat-insulation plate is tightly attached to the outer wall of the cargo compartment to avoid a gap formed between the heat-insulation structure and the cargo compartment, and therefore the heat-insulation effect is influenced.
Furthermore, in the heat insulation structure for the deep cooling cargo tank,
and an airtight layer is arranged on the second side surface of the first heat-insulation board layer.
The airtight layer is composed of a glass fiber composite layer and an aluminum foil adhesive tape, the glass fiber composite layer is pasted on the first heat-insulating plate, the aluminum foil adhesive tape is arranged on the first foaming heat-insulating layer, and the glass fiber composite layer is composed of an airtight film and a glass fiber net.
Furthermore, in the heat insulation structure for the deep cooling cargo tank,
and a rigid protective layer is arranged on one side of the second heat-insulation board layer, which is far away from the first heat-insulation board layer.
Preferably, the rigid protective layer is made of glass fiber reinforced plastics or metal.
Furthermore, in the heat insulation structure for the deep cooling cargo tank,
the rigid protective layer is made of glass fiber reinforced plastics; or
The rigid protective layer comprises a protective plate arranged on the surface of the second heat preservation plate and a connecting strip connected with the protective plate (preferably, the protective plate and the connecting strip are fixedly connected in a sealing mode).
Furthermore, in the heat insulation structure for the deep cooling cargo tank,
the first heat-preservation plate is made of polyurethane, polyisocyanurate, polystyrene or phenolic foam plate;
the second heat-insulation board is made of polyurethane or polyisocyanurate or polystyrene or phenolic foam board;
the first flexible heat-insulating material layer is made of glass wool, rock wool or aerogel;
the second flexible heat-insulating material layer is made of glass wool, rock wool or aerogel;
the first foaming heat-insulating layer is made of foaming polyurethane;
the second foaming heat-insulating layer is made of foaming polyurethane.
Furthermore, in the heat insulation structure for the deep cooling cargo tank,
the seam bodies between the first heat-insulation plates and the seam bodies between the second heat-insulation plates are arranged in a staggered manner;
grooves are formed in the inner walls of the seam bodies on the two sides of the first foaming heat-insulating layer;
grooves are arranged on the inner walls of the seam bodies on the two sides of the second foaming heat-insulating layer.
Furthermore, in the heat insulation structure for the deep cooling cargo tank,
the first heat-preservation plate is H in thickness1The thickness of the first flexible heat-insulating material layer is H11The thickness of the first foaming heat-insulating layer is H12；
The thickness of the second heat-preservation plate is H2The thickness of the second flexible heat-insulating material layer is H21The thickness of the second foaming heat-insulating layer is H22；
The width of the seam between the two first heat-preserving plates is W1The width of the seam between the two first heat-preservation plates is W2；
Wherein H1＝H11+H12，H11≥1/2H12，H2＝H21+H22，H21≤1/2H22，W1≤W2。
Furthermore, in the heat insulation structure for the deep cooling cargo tank,
the first side of the first heat-preservation plate layer is temporarily stuck to the cargo compartment wall through adhesive glue; or
The first side of the first insulation board layer is fixed on the cargo compartment wall through a stud.
Further, in order to realize the purpose of the utility model, the utility model can also be realized through the following scheme. The cryogenic liquid cargo tank comprises a cargo tank body, wherein a heat insulation device is arranged on the outer wall of the cargo tank body, and the heat insulation device comprises the heat insulation structure; the cargo hold body is arranged in a heat preservation cavity formed by the heat preservation structure.
Further, in the deep cooling cargo tank,
a first heat insulation plate layer, a second heat insulation plate layer and a rigid protective layer are sequentially arranged on the outer side of the cargo hold body, and the shape of the first side of the first heat insulation plate layer is matched with the shape of the outer wall of the cargo hold body;
the rigid protective layer forms a protection cavity, a heat preservation device is arranged in the protection cavity, and a cargo hold body is arranged in the heat preservation device.
Borrow by above-mentioned technical scheme, the utility model provides a cryogenic cooling is insulation construction and cryogenic cooling cargo tank for cargo hold has following advantage at least:
through reducing the clearance between second insulation board layer and first insulation board layer, first insulation board layer and the bulkhead as far as possible to the seam body at every layer adjacent insulation board is equipped with flexible insulation material layer and has filled the foaming heat preservation, can effectively improve monolithic insulation board's low temperature shrink performance, reduces the possibility that the shrink crackle takes place for the insulation board. The heat preservation effect of the heat preservation structure is ensured, and the stability of the heat preservation structure is prolonged.
The problem that the stability of the heat insulation structure is influenced by the overflowing of filling foam between heat insulation slabs of the cryogenic liquid cargo tank in the heat insulation construction process is effectively solved, and potential safety hazards and economic losses caused by poor heat insulation performance such as shrinkage cracking and insufficient tightness of the heat insulation structure in the cargo tank operation process are effectively avoided.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a thermal insulation structure for a cryogenic cargo tank of the present invention;
fig. 2 is a schematic structural diagram of an embodiment of the C-type cargo tank of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description will be given with reference to the accompanying drawings and preferred embodiments of the present invention with reference to the following detailed description of the embodiments, structures, features and effects of the present invention. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Embodiment of the insulation Structure
As shown in fig. 1, the insulation structure for a cryogenic liquid cargo tank, which is provided near a cryogenic liquid cargo tank wall, includes: the first insulation slab layer 1 is arranged close to the bulkhead, the first insulation slab layer 1 comprises at least two first insulation plates 10, a first flexible insulation material layer 11 and a first foaming insulation layer 12 are arranged in a gap between every two adjacent first insulation plates 10, and the first flexible insulation material layer 11 is arranged close to the bulkhead; second insulation board layer 2, second insulation board layer 2 sets up the second flank side of first insulation board layer 1, first side with the second side sets up relatively, second insulation board layer 2 includes two at least second insulation boards 20, and the internal second flexible insulation material layer 21 and the second foaming heat preservation 22 that are equipped with of seam between two adjacent second insulation boards 20, the flexible insulation material layer 21 of second is close to first insulation board layer 1 sets up.
The shapes of the first heat-insulating plate 10 and the second heat-insulating plate 20 are not just flat plates, and the shapes of the first heat-insulating plate 10 and the first heat-insulating plate 10 are matched with the shape of the outer wall of the cargo compartment to be heat-insulated, for example, the first heat-insulating plate 10 is correspondingly arc-shaped at two ends of the cargo compartment.
In this embodiment, through reducing the clearance between second insulation board layer 2 and first insulation board layer 1, first insulation board layer 1 and the bulkhead as far as possible to the seam body at every layer of adjacent insulation board is equipped with flexible insulation material layer and has filled the foaming heat preservation, can effectively improve the low temperature shrink performance of monolithic insulation board, reduces the possibility that the shrink crackle takes place for the insulation board. The heat preservation effect of the heat preservation structure is ensured, and the stability of the heat preservation structure is prolonged.
Because before pouring the expanded material and forming the foaming heat preservation, at first at the internal flexible insulation material layer of having laid of seam to can avoid the emergence of following two kinds of circumstances: 1) the foaming heat-insulating layer overflows between the two layers of plates (the second heat-insulating plate layer 2 and the first heat-insulating plate layer 1, and the first heat-insulating plate layer 1 and the bulkhead) to form semi-bonding of the two layers of plates; 2) the insulation board is jacked up by foam of the foaming material. The problem that the stability of the heat insulation structure is influenced by the overflowing of filling foam between heat insulation slabs of the cryogenic liquid cargo tank in the heat insulation construction process is effectively solved, and potential safety hazards and economic losses caused by poor heat insulation performance such as shrinkage cracking and insufficient tightness of the heat insulation structure in the cargo tank operation process are effectively avoided.
The first side of the so-called first insulation blanket layer 1, which is located close to the cargo compartment wall, includes two forms: one for abutting against the outer wall of the cargo hold, for example: the A-type cabin and the C-type cabin are used for avoiding a gap from being formed between the heat insulation structure and the cargo cabin, so that the heat insulation effect is influenced; and the other is that the heat insulation structure is provided with a gap with the outer wall of the cargo hold to provide a space of an overflow channel, for example, a liquid cargo micro-leakage overflow channel is arranged on the B-shaped bulkhead.
In another embodiment of this embodiment, in order to further increase the toughness and air tightness of the first insulation board layer 1, an air-tight layer 3 is disposed on the second side surface of the first insulation board layer 1.
Preferably, the airtight layer 3 is composed of a glass fiber composite layer 30 and an aluminum foil tape 31, the glass fiber composite layer 30 is attached to the first heat-insulating plate 10, the aluminum foil tape 31 is disposed on the first foamed heat-insulating layer 12, and the glass fiber composite layer 30 is composed of an airtight film and a glass fiber mesh.
In another embodiment of this embodiment, in order to further increase the air tightness of the second insulation board layer 2, a rigid protective layer 4 is disposed on a side of the second insulation board layer 2 away from the first insulation board layer 1.
Preferably, in order to further increase the protective effect of the rigid protective layer 4 on the second insulation board layer 2, the material of the rigid protective layer 4 is glass fiber reinforced plastics or metal. The following two designs are specific to different types of the rigid protective layer:
the first method is as follows: the rigid protective layer is made of glass fiber reinforced plastics, and after the second heat-insulation board layer 2 is assembled, the outer side of the second heat-insulation board layer 2 is coated with a layer of glass fiber reinforced plastics, so that the heat-insulation structure can be fixed and sealed.
The second method comprises the following steps: the rigid protective layer 4 comprises: a protection plate 40 disposed on a surface of the second insulation plate 20, and a connection bar 41 connecting the protection plate 40. The protection plate 40 and the connecting bar 41 are fixedly connected in a sealing manner. In this embodiment, the metal connecting strip 41 is mechanically fixed and sealed with a sealant.
In this embodiment, the air-tight layer 3 formed by the thin film glass fiber composite layer 30 on the surface of the first insulation board layer 1 and the aluminum foil tape 31 of the joint, the foam insulation layer between the seam bodies, and the rigid protective layer 4 on the surface of the second insulation board layer 2 effectively improve the tightness of the insulation structure.
The first side of the first insulation board layer 1 is adhered to the cargo compartment wall through adhesive glue; the first side of the first insulation board layer 1 is fixed on the cargo compartment wall through studs.
Further, in the insulation structure for the deep cooling cargo tank, the first insulation plate 10 is made of polyurethane, polyisocyanurate, polystyrene or phenolic foam plate; the second insulation board 20 is made of polyurethane, polyisocyanurate, polystyrene or phenolic foam board; the first flexible heat-insulating material layer 11 is made of glass wool, rock wool or aerogel; the first foaming heat-insulating layer 12 is made of foaming polyurethane; the second flexible heat-insulating material layer 21 is made of glass wool, rock wool or aerogel; the second foam insulation layer 22 is made of foam polyurethane.
Specifically, the assembly process of the heat preservation structure and the deep cooling liquid cargo tank is as follows:
1) the first insulation plate 10 and the cargo compartment wall are fixed by a stud welded to the surface of the tank body or temporarily fixed by adhesive spot bonding. The specific determination depends on the type of cargo hold, for example: the B-type cabin is fixed by adopting a stud, and the C-type cabin is temporarily fixed by adopting an adhesive point.
2) Pasting aluminum foil glass fiber cloth on the surface of the first heat preservation plate 10;
3) firstly laying a first flexible heat-insulating material layer 11 between the seam bodies of the first heat-insulating plate 10, then pouring a foaming material to form a first foaming heat-insulating layer 12, attaching an aluminum foil adhesive tape 31 to the outer surface of the first foaming heat-insulating layer 12, and connecting the aluminum foil adhesive tape 31 with the aluminum foil glass fiber cloth to form an airtight layer 3;
4) fixing the second heat-preservation plate layer 2 and the first heat-preservation plate layer 1 through studs or temporarily fixing;
5) firstly, paving a layer of flexible heat-insulating material (a second flexible heat-insulating material layer 21) in a seam body between adjacent second heat-insulating plates 20, and filling foam into the rest spaces of the seam body to form a second foam heat-insulating layer 22;
6) and preparing a rigid protective layer on the surface of the second insulation board layer 2.
Further, in the insulation structure for the deep cooling cargo tank, in order to increase the air tightness of the insulation structure, the seams between the first insulation plates 10 and the seams between the second insulation plates 20 are arranged in a staggered manner.
In order to increase the adhesion force of the first foaming insulation layer 12 to the two adjacent first insulation plates 10, grooves are formed on the inner walls of the seam body at the two sides of the first foaming insulation layer 12; in order to increase the adhesion force of the second foam insulation layer 22 to the two adjacent second insulation boards 20, grooves are formed on the inner walls of the seam bodies on the two sides of the second foam insulation layer 22. In the drawings of this embodiment, only one groove is shown. According to the specific sticking force requirement, a plurality of grooves can be arranged on the inner wall, and the shape of the grooves can be any shape.
Further, in the above thermal insulation structure for a deep cooling cargo tank, the second stepThe thickness of a heat-insulating plate 10 is H1The thickness of the first flexible thermal insulation material layer 11 is H11The thickness of the first foaming heat-insulating layer 12 is H12(ii) a The thickness of the second heat-insulating board 20 is H2The thickness of the second flexible thermal insulation material layer 21 is H21The thickness of the second foaming heat-insulating layer 22 is H22(ii) a The width of the seam between the two first heat-insulating plates 10 is W1The width of the seam between the two first heat-insulating plates 10 is W2。
Wherein H1＝H11+H12，H2＝H21+H22That is, the seam between the heat-insulating plates does not generate protrusion or depression, and the heat-insulating plate layer is a plane, thereby reducing the gas amount between layers.
H11≥1/2H12Since the first insulation wythe 1 is in contact with the bulkhead and the low temperature of the bulkhead easily causes the rupture of the foamed insulation, the flexible insulation layer does not rupture, and the possibility of the first insulation wythe 1 is further reduced by limiting the thickness of the first flexible insulation layer 11.
H21≤1/2H22In the second insulation board layer 2, the second flexible insulation material layer 21 only serves to prevent the foamed insulation material from overflowing to the interlayer, and the adjacent second insulation boards 20 are adhered through the second foamed insulation layer 22, so that the thickness of the second foamed insulation layer 22 is large.
For convenience of construction, W1≤W2。
Embodiments of cryogenic cargo tanks
The C-shaped cryogenic liquid cargo tank shown in fig. 2 comprises a cargo tank body, wherein a heat preservation device is arranged on the outer wall 100 of the cargo tank body, and the heat preservation device comprises a heat preservation structure in the embodiment; the cargo hold body is arranged in a heat preservation cavity formed by the heat preservation structure.
As a variable embodiment, according to different types of cryogenic liquid cargo tanks (a type, B type, C type, and film type), the shape of the heat-retaining chamber is also different, and whatever type of cryogenic liquid cargo tank, it is ensured that the first heat-retaining plate layer 1 is closely attached to the outer wall of the cargo tank body. Thereby reducing the amount of air between the first insulation plate 10 and the outer wall 100, except for the overflow path of the liquid cargo micro-leakage of the type B tank.
Further, in the deep cooling liquid cargo tank, a first heat insulation plate layer 1, a second heat insulation plate layer 2 and a rigid protective layer 4 are sequentially arranged on the outer side of the cargo tank body, and the shape of the first side of the first heat insulation plate layer 1 is matched with the shape of the outer wall 100 of the cargo tank body; the rigid protective layer 4 forms a protection cavity, a heat preservation device is arranged in the protection cavity, and a cargo hold body is arranged in the heat preservation cavity of the heat preservation device. The rigid protective layer 4 not only protects the second insulation board layer 2, but also positions the first insulation board layer 1 and the second insulation board layer 2.
Beneficial effect that the heat preservation device of cryrogenic cargo tank brought refers to insulation construction embodiment, does not describe here any more.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (13)
1. The utility model provides a cryogenic liquid is insulation construction for cargo hold, insulation construction is close to cryogenic liquid cargo hold wall setting, its characterized in that, insulation construction includes:
the first side of the first heat-insulation plate layer is arranged close to the cargo compartment wall, the first heat-insulation plate layer comprises at least two first heat-insulation plates, a first flexible heat-insulation material layer and a first foaming heat-insulation layer are arranged in a gap between every two adjacent first heat-insulation plates, and the first flexible heat-insulation material layer is arranged close to the cargo compartment wall;
the second insulation board layer, the second insulation board layer sets up the second side face side of first insulation board layer, first side with the second side sets up relatively, the second insulation board layer includes two at least second insulation boards, is equipped with flexible insulation material layer of second and the foaming heat preservation of second in the seam body between two adjacent second insulation boards, the flexible insulation material layer of second is close to first insulation board layer sets up.
2. The insulation structure for a deep cooling cargo tank according to claim 1,
and an airtight layer is arranged on the second side surface of the first heat-insulation board layer.
3. The insulation structure for a deep cooling cargo tank according to claim 2,
the airtight layer is composed of a glass fiber composite layer and an aluminum foil adhesive tape, the glass fiber composite layer is pasted on the first heat-insulating plate, the aluminum foil adhesive tape is arranged on the first foaming heat-insulating layer, and the glass fiber composite layer is composed of an airtight film and a glass fiber net.
4. The insulation structure for a deep cooling cargo tank according to claim 1,
and a rigid protective layer is arranged on one side of the second heat-insulation board layer, which is far away from the first heat-insulation board layer.
5. The insulation structure for a deep cooling cargo tank according to claim 4,
the rigid protective layer is made of glass fiber reinforced plastics or metal.
6. The insulation structure for a deep cooling cargo tank according to claim 4,
the rigid protective layer is made of glass fiber reinforced plastics; or
The rigid protective layer comprises a protective plate arranged on the surface of the second heat preservation plate and a connecting strip connected with the protective plate.
7. The insulation structure for a deep cooling cargo tank according to claim 6,
the protection plate is fixedly connected with the connecting strip in a sealing mode.
8. The insulation structure for a deep cooling cargo tank according to claim 1,
the first heat-preservation plate is made of polyurethane, polyisocyanurate, polystyrene or phenolic foam plate;
the second heat-insulation board is made of polyurethane or polyisocyanurate or polystyrene or phenolic foam board;
the first flexible heat-insulating material layer is made of glass wool, rock wool or aerogel;
the second flexible heat-insulating material layer is made of glass wool, rock wool or aerogel;
the first foaming heat-insulating layer is made of foaming polyurethane;
the second foaming heat-insulating layer is made of foaming polyurethane.
9. The insulation structure for a deep cooling cargo tank according to claim 1,
the seam bodies between the first heat-insulation plates and the seam bodies between the second heat-insulation plates are arranged in a staggered manner;
grooves are formed in the inner walls of the seam bodies on the two sides of the first foaming heat-insulating layer;
grooves are arranged on the inner walls of the seam bodies on the two sides of the second foaming heat-insulating layer.
10. The insulation structure for a deep cooling cargo tank according to claim 1,
the first heat-preservation plate is H in thickness1The thickness of the first flexible heat-insulating material layer is H11The thickness of the first foaming heat-insulating layer is H12；
The thickness of the second heat-preservation plate is H2The thickness of the second flexible heat-insulating material layer is H21The thickness of the second foaming heat-insulating layer is H22；
Two first heat preservation platesThe width of the seam between is W1The width of the seam between the two first heat-preservation plates is W2；
Wherein H1＝H11+H12，H11≥1/2H12，H2＝H21+H22，H21≤1/2H22，W1≤W2。
11. The insulation structure for a deep cooling cargo tank according to claim 1,
the first side of the first heat-preservation plate layer is temporarily stuck to the cargo compartment wall through adhesive glue; or
The first side of the first insulation board layer is fixed on the cargo compartment wall through a stud.
12. A cryogenic liquid cargo tank comprises a cargo tank body and is characterized in that,
an insulation device is arranged on the outer wall of the cargo hold body, and the insulation device comprises an insulation structure as claimed in any one of claims 1 to 8;
the cargo hold body is arranged in a heat preservation cavity formed by the heat preservation structure.
13. A cargo tank for cryogenic liquid according to claim 12,
a first heat insulation plate layer, a second heat insulation plate layer and a rigid protective layer are sequentially arranged on the outer side of the cargo hold body, and the shape of the first side of the first heat insulation plate layer is matched with the shape of the outer wall of the cargo hold body;
the rigid protective layer forms a protection cavity, a heat preservation device is arranged in the protection cavity, and a cargo hold body is arranged in the heat preservation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921022034.5U CN210235248U (en) | 2019-07-01 | 2019-07-01 | Cryogenic liquid cargo insulation construction and cryogenic liquid cargo hold for hold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921022034.5U CN210235248U (en) | 2019-07-01 | 2019-07-01 | Cryogenic liquid cargo insulation construction and cryogenic liquid cargo hold for hold |
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| CN210235248U true CN210235248U (en) | 2020-04-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111634570A (en) * | 2020-05-30 | 2020-09-08 | 悌埃深冷(上海)海洋工程有限公司 | Can alleviate stress deformation's external heat preservation system of jar |
| CN114030564A (en) * | 2021-11-24 | 2022-02-11 | 中船黄埔文冲船舶有限公司 | Method for oil tank heat preservation and ship |
-
2019
- 2019-07-01 CN CN201921022034.5U patent/CN210235248U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111634570A (en) * | 2020-05-30 | 2020-09-08 | 悌埃深冷(上海)海洋工程有限公司 | Can alleviate stress deformation's external heat preservation system of jar |
| CN114030564A (en) * | 2021-11-24 | 2022-02-11 | 中船黄埔文冲船舶有限公司 | Method for oil tank heat preservation and ship |
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